Statement of Changes in Beneficial Ownership (4)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Robertson Stephen	2. Issuer Name and Ticker or Trading Symbol WillScot Mobile Mini Holdings Corp. [ WSC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle) 4646 E. VAN BUREN STREET,, SUITE 400	3. Date of Earliest Transaction (MM/DD/YYYY) 5/13/2021
(Street) PHOENIX, AZ 85008 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common stock, par value $0.0001 per share	5/13/2021		X		2425000	A	$11.50	44838058 ⁽²⁾	I ⁽³⁾⁽⁴⁾	See footnotes ⁽³⁾⁽⁴⁾
Common stock, par value $0.0001 per share	5/13/2021		S⁽¹⁾		948200	D	$29.41	43889858 ⁽²⁾	I ⁽³⁾⁽⁴⁾	See footnotes ⁽³⁾⁽⁴⁾

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Private Placement Warrants	$5.75	5/13/2021		X			4850000	⁽⁵⁾	⁽⁵⁾	Common Stock, par value $0.0001 per share	2425000	$0	0	I ⁽³⁾⁽⁴⁾	See footnotes ⁽³⁾⁽⁴⁾

Explanation of Responses:
(1)	Pursuant to the Warrant Agreement dated as of September 10, 2015, on May 12, 2021, Sapphire Holding S.a.r.l ("Sapphire") exercised warrants to purchase 2,425,000 shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock"), for $11.50 per share. Sapphire paid the exercise price on a cashless basis, resulting in the Issuer withholding 948,200 shares of Common Stock otherwise issuable by exercise of the warrant to pay the exercise price, and issuing to Sapphire the remaining 1,476,800 shares of Common Stock.
(2)	Includes 100,000 shares of Common Stock owned directly by the Reporting Person. The remaining shares of Common Stock beneficially owned are held by Sapphire. As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed to be the beneficial owner of all or a portion of the securities reported herein.
(3)	As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.
(4)	Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.
(5)	The Private Placement Warrants became exercisable on December 29, 2017 and expire at 5pm, New York City time, on November 29, 2022, or earlier upon redemption or liquidation.

Remarks:
Sapphire, TDR Capital II Holdings L.P., TDR Capital LLP and Manjit Dale are jointly filing a separate Form 4 disclosing his beneficial ownership interest in the Common Stock, which was submitted on the Securities and Exchange Commission's EDGAR system on or about the date hereof.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Robertson Stephen 4646 E. VAN BUREN STREET, SUITE 400 PHOENIX, AZ 85008	X	X